Mitsubishi Electric MELSEC iQ-R Series User Manual page 206

Error Error definition and causes
code
1802H During data link, overlapping IP addresses
have been detected.
1803H Over the number of stations that can be
connected.
4 TROUBLESHOOTING
204
4.5 List of Error Codes
Action
Change the IP address of devices with an overlapped IP address.
■When the firmware version of the RJ71GN11-T2 is "04" or later
• Reduce the number of CC-Link IE TSN Class B devices and TSN hubs to
eight or less in total for each port of the master station in the transmission
path from the master station to the CC-Link IE TSN Class B device of the
end.
Do one or both of the following:
• Update the master station to a version that supports CC-Link IE TSN
protocol version 2.0.
• Update the firmware of the CC-Link IE TSN Class A device to the latest
version, or replace it with a device that supports CC-Link IE TSN protocol
version 2.0.
■When the firmware version of the RJ71GN11-T2 is "03" or earlier
• Reduce the total number of stations to 31 stations (master station: 1, slave
station: 30) or less.
• Configure the system with the number of CC-Link IE TSN Class B devices
to eight or less for each port of the master station.
Detailed
information 1
Detailed
information 2
■Operation source
information
• IP address
■IP address
duplication
information
• Duplication
station 1 MAC
address (1st
octet, 2nd octet)
• Duplication
station 1 MAC
address (3rd
octet, 4th octet)
• Duplication
station 1 MAC
address (5th
octet, 6th octet)
• Duplication
station 2 MAC
address (1st
octet, 2nd octet)
• Duplication
station 2 MAC
address (3rd
octet, 4th octet)
• Duplication
station 2 MAC
address (5th
octet, 6th octet)
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